let str:string="hello";

function fun(): number{
   return 1+1;
}

console.log(fun());

let num1:number=888;
let num2:number=999;

let num:number=123;

interface objType{
  num:number;
  str:string;
  arr:[]; 
}

let str1:string="hello world"
let str2:string="don't bark! "



 